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Class VI
Class VII
Class VIII
Class IX
Class X
CBSE Grade VII - Exponents and Powers
Question
1
1.
8
v
3
.
2
v
2
.
5
v
4
=
80
v
9
9
v
80
15
v
24
80
v
24
15
v
9
Question
2
2.
Find the exponential notation of
1
9
3
-2
5
-2
1
3
-1
3
-3
Question
3
3.
Find the value of
2
3
8
7
9
10
5
Question
4
4.
The
exponent
in the term
5
10
is
5
-10
10
-5
8
Question
5
5.
Expand the following base power
5
-3
1
8
1
512
1
25
1
125
1
625
Question
6
6.
Represent the given small number in standard form
0.00001250326
✕
10
-6
1.250326
✕
10
-12
1.250326
✕
10
-9
1.250326
✕
10
-13
1.250326
✕
10
-11
1.250326
✕
10
-10
Question
7
7.
Simplify the expression
8
(
-7
2
)
✕
8
(
-7
2
)
17
(
-7
2
)
15
(
-7
2
)
16
(
-7
2
)
16
(
-9
2
)
16
(
-5
2
)
Question
8
8.
−
4
p
8
.
−
9
p
6
.
−
3
p
(-9)
.
−
5
p
(-8)
=
−
180
p
(-384)
5
p
(-180)
−
18
p
5
−
18
p
(-384)
540
p
(-3)
Question
9
9.
Find the value of
5
4
622
626
625
624
627
Question
10
10.
Find the exponential notation of
3
5
3
5
2
5
3
8
3
3
3
2
5
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